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San Diego State University Operations And Supply Chain Management Assignment Help - Mean

Question - A consumer products company is formulating a new shampoo and is interested in foam height (in
millimeters). Foam height is approximately normally distributed and has a standard deviation of 20
millimeters. The company wishes to Ho: µ = 175 millimeters versus H1: µ = 175 millimeters, using the
results of n = 10 samples.
(a) Find the type I error probability if the critical region is x > 185.
(b) What is the probability of type II error if the true mean foam height is 195 millimeters?
Nov 16 2013 01:50 PM

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